canvas {
  background-color: rgba(240, 240, 240, 0.1);
  border-radius: 50%;
  box-shadow: 0 0 20px rgba(0,0,0,0.2);
  width: 200px;
  height: 200px;
  backdrop-filter: blur(5px);
  max-width: 100%;
  height: auto;
}

@media (max-width: 768px) {
  canvas {
    max-width: 80vw;
    max-height: 80vw;
  }
}
